A guide to choosing a commercial or industrial electrician in Johor Bahru, covering what the work involves and how to judge the 18 firms operating here.
Commercial and industrial electrical work covers a different scale of job than a house call. This category includes electricians who handle factory wiring, three-phase power distribution, switchgear and panel installations, motor control circuits, backup generator hookups, warehouse and retail lighting layouts, and compliance testing for offices, shoplots, and production floors across Johor Bahru's industrial zones like Tebrau, Senai, and Pasir Gudang. Work often runs on tight production schedules, so contractors in this space also need to plan around shutdowns and shift patterns rather than just showing up with a toolbox.
When you're hiring for a job like this, check that the electrician is registered with the Energy Commission (Suruhanjaya Tenaga) and holds the right competency certificate for the voltage and load involved, since industrial panels and three-phase systems fall outside what a basic wiring license covers. Ask about experience with your building type, whether they carry liability insurance for site work, and how they handle load calculations and as-built drawings. A written quote that breaks down materials, labour, and testing separately is a good sign of an outfit that does this professionally rather than on the side.
We score the 18 businesses in this directory on things like verified licensing, response time, scope of past projects, and how clearly they communicate pricing and timelines. Full details on how we weigh each factor are on our methodology page. For the current rankings, see the best electricians in Johor Bahru guide.
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18 businesses, scored on recent reviews. The order weighs each business's overall score by how much of its reviewed work is commercial & industrial electrician, so a lower-scored specialist can rank above a higher-scored generalist.
Staff deliver repairs quickly and handle them professionally, often within a day. Multiple reviewers note experienced technicians and friendly service, though some report difficulty reaching the business by phone.
ASY has earned near-perfect marks for practical skill and customer care. Reviewers return repeatedly, citing thorough diagnostics, clean work, and technicians who teach you how to maintain systems safely. Staff like Mr. Shah and Mr. Haikel are named for combining expertise with patience, backed by same-day or next-day turnarounds. The business handles water heater and switch installation, circuit breaker work, and general home repairs with equal attention. Pricing sits comfortably between competitive and fair, with no haggling reported. The main texture is that here you get a tradesperson who doubles as an educator, particularly valued by customers seeking to understand their own electrical systems.
All 13 reviews are five-star. Customers consistently praise Mr A and Han for quick turnaround, honest pricing, and clear explanations on electrical and aircon faults. Staff arrive on time even for middle-of-the-night calls, diagnose problems accurately, and finish work neatly. Johor Bahru locals trust them enough to recommend to family and friends.
All seven reviewers rated Wiring & Aircond Murah JB five stars. Zikri and the team handle residential jobs, emergency callouts, and diagnostics with speed: one Sunday blackout on an entire floor was pinpointed and fixed within 2-3 hours. Customers praise neat work, quick response times, and fair prices; midnight emergency service and seven-day operation mean they stay reachable when others don't.
Recent work is rated solid, with clients noting professional service. Limited detail is available on specific work types, response times, or why an older complaint about availability persists.
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Most customers praise quick response times and tidy work, with clear explanations of electrical issues. Air-con servicing draws criticism for high rates and inconsistent quality from the team doing the job.
One customer reported being ghosted after requesting a quote for wiring work, while another praised the team for a paint and home project in Taman Sentosa, noting good quality and warranty. Evidence is thin: just two reviews with opposing experiences.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Limited evidence: one five-star praise from seven years ago calls them a top electrician in Johor Bahru, but a one-star complaint from two years ago cites unprofessional call handling and weak management.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
When you submit a contact form or request a quote, we may pass your inquiry to partner providers who do this work, and we may receive a referral fee. Our rankings and scores come from our published method only and are never influenced by referral fees.
Last updated 2026-07-13